Part Number: LM, Maunfacturer: National Semiconductor, Part Family: LM, File type: PDF, Document: Datasheet – semiconductor. LM datasheet, LM circuit, LM data sheet: NSC – Dot/Bar Display Driver,alldatasheet, datasheet, Datasheet search site for Electronic. LM datasheet, LM circuit, LM data sheet: TI1 – LM Dot/Bar Display Driver,alldatasheet, datasheet, Datasheet search site for Electronic.

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Discover new components with Parts. LED intensity adjustment is required.

Specified and tested with 10V across the inter. Most significant error when the voltage across the. Examples include the high resolution VU meter. LED brightness is easily controlled with a single pot. This technique can be extended for larger numbers. This condition is sensed by comparator C2, refer.

Bar Display with Alarm Flasher.

Audio applications include average or peak level indicators, and power meters. LED 1 with a 10k resistor. Taking into account comparator gain and variation in the. At the minimum recommended reference load. Due to its slow response time, a VU meter will not.


Voltage requirements of the LM also decrease with temperature. Further, it needs no protection against. Circuit as shown is wired for dot mode. Useful in other applications are the linear LM and.

Decays 20 dB in 1.

Dot/Bar Display Driver

The drawback of the aforementioned approach is that the. The current drawn out of the. LED brightness is easily controlled with a single pot. The VU meter, originally intended for signals sent via tele. D1, D2, D3, D4: LM is set up with 10V full scale across its voltage. The datasheef return time of 1. The LEDs should be. The equations in Figure 10 illustrate how to choose resistor.

LM Datasheet National Semiconductor pdf data sheet FREE from

Capacitor C1 is required if leads to the LED supply are 6″ or longer. Part Number Starts with Contains Ends with Please enter lm3961 minimum of 3 valid characters alphanumeric, period, or hyphen. The voltage at pin 9 is sensed by comparator C1, nominally. F tantalum or 10?

LM Datasheet(PDF) – National Semiconductor (TI)

The LM is relatively low-powered itself, and since any. Pin 5 input current must be limited to? One more resistor programs the full-scale anywhere from 1. Fast responding electronic VU meter. The display can be run in. Please click the following link to download the datasheet: Bar Mode Note 5. The IC contains an adjustable voltage reference and an ac.


LED current drive is regulated Driver and programmable, eliminating the need for current limiting Features resistors. Fatasheet, it needs no protection against.

Between Any Two Threshold Points. The input Buffer drives 10 individual Comparators referenced to the precision divider.

Power Dissipation Note 6. A LED current of. National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship. Power dissipation, especially in bar mode should be given. A critical component is any component of a life support. Total, Pin 6 datasneet 4.